Each inter-type member is one of
Modifiers ReturnType OnType . Id
( Formals )
[ throws TypeList ]
{ Body }
OnType.
abstract Modifiers ReturnType OnType . Id
( Formals )
[ throws TypeList ] ;
OnType.
Modifiers OnType . new
( Formals )
[ throws TypeList ]
{ Body }
OnType.
Modifiers Type OnType . Id
[ = Expression ] ;
OnType.